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Improvements of a Group key Management based on (2,2) Secret Sharing

  • Yong, Seunglim (Dept. of Computer Systems and engineering, Inha Technical College)
  • Received : 2016.05.04
  • Accepted : 2016.08.31
  • Published : 2016.09.30

Abstract

In 2014, Wuu et al. proposed a group key management scheme based on (2,2) secret sharing. They asserted that their scheme satisfies security requirements and mutual authentication. But this paper pointed out that their scheme does not satisfy mutual authentication and impersonating attack. In this paper, we describe the reasons and processes that a malicious group member can impersonate the Group Key Distributor. To fill the gaps, we discuss the problems, and propose an improved protocol.

Keywords

References

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